Where does “belowdecks” come from?

belowdecks (English) comes from English decks, from English deck, from Middle English dekke, from Middle Dutch dec, from Middle Dutch decken, from Old Dutch thecken, from Proto-West Germanic þakkjan, from Proto-Germanic þakjaną — to cover; pole, stick, beam.

belowdecks (English): Below the main deck of a ship

Definitions

  1. Below the main deck of a ship

Ancestry of “belowdecks”, step by step

belowdecks traces back through two separate lines of ancestry.

via English decks

StepLanguageWordMeaning
1Englishdecksplural of deck; Third-person singular simple...
2EnglishdeckAny raised flat surface that can be walked on: a...
3Middle Englishdekke
4Middle Dutchdecroof, covering
5Middle Dutchdeckento roof, to build/repair a roof; to cover; to...
6Old Dutchtheckento cover; to roof
7Proto-West Germanicþakkjanto cover; to burn
8Proto-Germanicþakjanąto cover; to burn
9Proto-Germanicþakąroof, cover
10Proto-Indo-European(s)teg-to cover; pole, stick, beam

via English below

StepLanguageWordMeaning
1EnglishbelowLower in spatial position than; Within the...
2Middle Englishbilooghe
Every word from Proto-Indo-European (s)teg-